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Native Vlan Cisco 1200 Access Point

 
 
jsallmann@wiscomp.com
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      03-12-2006
Hello again,

In the configuration guide for Cisco 1200 series access points, ver
12.3.7 on page 14-5 it states that "When you configure Vlans on access
points, the Native Vlan must be VLAN1." Is this correct? What if the
switch trunk port is Vlan 4 or something to that effect.

Thanks,

 
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Merv
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      03-12-2006
It is doubtful that they made a special note in the prodcut
documentation if it is not the case.

Generally it is best to not use VLAN 1 at all or use it for mgmt
purposes only - telnet SNMP, etc.

There should be no need to change the native VLAN (VLAN 1), just add
the additional VLANs that you require for your setup.



int Fa0.1
encap dot1Q 1 native
exit

int Fa0.4
encap dot1Q 4
bridge-group 4
exit


int dot11radio 0
ssid WIRELESS
vlan 4
exit


int Dot11Radio 0.4
encap dot1Q 4
bridge-group 4
exit

Configure upstream switch accordingly.

 
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madmax
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      03-12-2006
OK<

But if the native VLAN is 1 on the access point then the native VLAN on
the switch for the trunk port must be VLAN1. This is what I'm
concerned about. Everyone states to stay away from VLAN1. Thanks for
your reply.

 
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Aaron Leonard
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      03-13-2006
Technically: AP IOS requires that it have exactly one IP
address, which must be configured on BVI1, which must
be in the (untagged) native VLAN.

You can call the native VLAN anything you want, vlan 1 or
vlan 47 ... what you call the native VLAN on the AP is
really private to the AP. EXCEPT that the AP will always
(if configured with dot1q encapsulation) send out its CDP
and Ethernet keepalives on VLAN 1 (whether or not you've
configured a VLAN 1)

.... so it's best just to use native VLAN 1 and be done
with it.

Aaron

---


~ It is doubtful that they made a special note in the prodcut
~ documentation if it is not the case.
~
~ Generally it is best to not use VLAN 1 at all or use it for mgmt
~ purposes only - telnet SNMP, etc.
~
~ There should be no need to change the native VLAN (VLAN 1), just add
~ the additional VLANs that you require for your setup.
~
~
~
~ int Fa0.1
~ encap dot1Q 1 native
~ exit
~
~ int Fa0.4
~ encap dot1Q 4
~ bridge-group 4
~ exit
~
~
~ int dot11radio 0
~ ssid WIRELESS
~ vlan 4
~ exit
~
~
~ int Dot11Radio 0.4
~ encap dot1Q 4
~ bridge-group 4
~ exit
~
~ Configure upstream switch accordingly.

 
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